Feature Pack 2 for SharePoint Server 2016 contains the foundation of modern web part hosting and editing experiences, including core SPFx APIs, SPFx package deployment, and property panes.
Download Feature Pack 2 at https://technet.microsoft.com/en-us/library/mt715807(v=office.16).aspx#BKMK_2016.
Feature Pack 2 also delivers all of the features previously included in Feature Pack 1 for SharePoint Server 2016, including:
- Administrative Actions Logging
- MinRole enhancements
- SharePoint Custom Tiles
- Hybrid Auditing (preview)
- Hybrid Taxonomy
- OneDrive API for SharePoint on-premises
- OneDrive for Business modern experience (available to Software Assurance customers)